/*
* Swipe 2.0
*
* Brad Birdsall
* Copyright 2013, MIT License
*
*/
/*
* customized by sekiya eiji
* 2014/11
*
*/
function Swipe(container, options) {
"use strict";
// utilities
var noop = function() {}; // simple no operation function
var offloadFn = function(fn) { setTimeout(fn || noop, 0) }; // offload a functions execution
// check browser capabilities
var browser = {
addEventListener: !!window.addEventListener,
touch: ('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch,
transitions: (function(temp) {
var props = ['transitionProperty', 'WebkitTransition', 'MozTransition', 'OTransition', 'msTransition'];
for ( var i in props ) if (temp.style[ props[i] ] !== undefined) return true;
return false;
})(document.createElement('swipe'))
};
// quit if no root element
if (!container) return;
var element = container.children[0];
var slides, slidePos, width, length;
options = options || {};
var index = parseInt(options.startSlide, 10) || 0;
var speed = options.speed || 300;
var defSize = 0.7;
var defZIndex = 100;
options.continuous = options.continuous !== undefined ? options.continuous : true;
function setup() {
// cache slides
slides = element.children;
length = slides.length;
// set continuous to false if only one slide
if (slides.length < 2) options.continuous = false;
//special case if two slides
if (browser.transitions && options.continuous && slides.length < 3) {
element.appendChild(slides[0].cloneNode(true));
element.appendChild(element.children[1].cloneNode(true));
slides = element.children;
}
// create an array to store current positions of each slide
slidePos = new Array(slides.length);
// determine width of each slide
width = container.getBoundingClientRect().width || container.offsetWidth;
element.style.width = (slides.length * width) + 'px';
// stack elements
var pos = slides.length;
while(pos--) {
var slide = slides[pos];
slide.style.width = width + 'px';
slide.setAttribute('data-index', pos);
if (browser.transitions) {
slide.style.left = (pos * -width) + 'px';
move(pos, index > pos ? -width : (index < pos ? width : 0), 0);
}
}
// reposition elements before and after index
if (options.continuous && browser.transitions) {
move(circle(index-1), -width, 0);
move(circle(index+1), width, 0);
}
if (!browser.transitions) element.style.left = (index * -width) + 'px';
container.style.visibility = 'visible';
}
function prev() {
if (options.continuous) slide(index-1);
else if (index) slide(index-1);
}
function next() {
if (options.continuous) slide(index+1);
else if (index < slides.length - 1) slide(index+1);
}
function circle(index) {
// a simple positive modulo using slides.length
return (slides.length + (index % slides.length)) % slides.length;
}
function slide(to, slideSpeed) {
// do nothing if already on requested slide
if (index == to) return;
if (browser.transitions) {
var direction = Math.abs(index-to) / (index-to); // 1: backward, -1: forward
// get the actual position of the slide
if (options.continuous) {
var natural_direction = direction;
direction = -slidePos[circle(to)] / width;
// if going forward but to < index, use to = slides.length + to
// if going backward but to > index, use to = -slides.length + to
if (direction !== natural_direction) to = -direction * slides.length + to;
}
var diff = Math.abs(index-to) - 1;
// move all the slides between index and to in the right direction
while (diff--) move( circle((to > index ? to : index) - diff - 1), width * direction, 0);
to = circle(to);
move(index, width * direction, slideSpeed || speed);
move(to, 0, slideSpeed || speed);
if (options.continuous) move(circle(to - direction), -(width * direction), 0); // we need to get the next in place
} else {
to = circle(to);
animate(index * -width, to * -width, slideSpeed || speed);
//no fallback for a circular continuous if the browser does not accept transitions
}
index = to;
offloadFn(options.callback && options.callback(index, slides[index], direction));
}
function move(index, dist, speed) {
translate(index, dist, 0, speed);
slidePos[index] = dist;
}
function translate(index, dist, rate, speed) {
var slide = slides[index];
var style = slide && slide.style;
if (!style) return;
style.webkitTransitionDuration =
style.MozTransitionDuration =
style.msTransitionDuration =
style.OTransitionDuration =
style.transitionDuration = speed + 'ms';
var scale = defSize + (1 - defSize) * rate;
if (dist <= 0) {
style.webkitTransform = 'translate(' + dist + 'px, 0)' + 'translateZ(0) scale(1, 1)';
style.msTransform =
style.MozTransform =
style.OTransform = 'translateX(' + dist + 'px) scale(1, 1)';
style.opacity = 1;
slide.style.zIndex = (dist === 0)? defZIndex + 1: defZIndex + 2;
}
else if (delta.x > 0 && dist < width) {
style.webkitTransform = 'translate(0, 0)' + 'translateZ(0) scale(' + scale + ', ' + scale + ')';
style.msTransform =
style.MozTransform =
style.OTransform = 'translateX(0) scale(' + scale + ', ' + scale + ')';
style.opacity = rate;
slide.style.zIndex = defZIndex + 1;
}
else if (delta.x > 0 && dist > width) {
style.webkitTransform = 'translate(' + dist + 'px, 0)' + 'translateZ(0) scale(' + defSize + ', ' + defSize + ')';
style.msTransform =
style.MozTransform =
style.OTransform = 'translateX(' + dist + 'px) scale(' + defSize + ', ' + defSize + ')';
style.opacity = rate;
slide.style.zIndex = defZIndex + 1;
}
else {
style.webkitTransform = 'translate(0, 0)' + 'translateZ(0) scale(' + scale + ', ' + scale + ')';
style.msTransform =
style.MozTransform =
style.OTransform = 'translateX(0) scale(' + scale + ', ' + scale + ')';
style.opacity = rate;
slide.style.zIndex = defZIndex;
}
// style.webkitTransform = 'translate(' + dist + 'px,0)' + 'translateZ(0)';
// style.msTransform =
// style.MozTransform =
// style.OTransform = 'translateX(' + dist + 'px)';
}
function animate(from, to, speed) {
// if not an animation, just reposition
if (!speed) {
element.style.left = to + 'px';
return;
}
var start = +new Date;
var timer = setInterval(function() {
var timeElap = +new Date - start;
if (timeElap > speed) {
element.style.left = to + 'px';
if (delay) begin();
options.transitionEnd && options.transitionEnd.call(event, index, slides[index]);
clearInterval(timer);
return;
}
element.style.left = (( (to - from) * (Math.floor((timeElap / speed) * 100) / 100) ) + from) + 'px';
}, 4);
}
// setup auto slideshow
var delay = options.auto || 0;
var interval;
function begin() {
interval = setTimeout(next, delay);
}
function stop() {
delay = 0;
clearTimeout(interval);
}
// setup initial vars
var start = {};
var delta = {};
var isScrolling;
// setup event capturing
var events = {
handleEvent: function(event) {
switch (event.type) {
case 'touchstart': this.start(event); break;
case 'touchmove': this.move(event); break;
case 'touchend': offloadFn(this.end(event)); break;
case 'webkitTransitionEnd':
case 'msTransitionEnd':
case 'oTransitionEnd':
case 'otransitionend':
case 'transitionend': offloadFn(this.transitionEnd(event)); break;
case 'resize': offloadFn(setup); break;
}
if (options.stopPropagation) event.stopPropagation();
},
start: function(event) {
var touches = event.touches[0];
// measure start values
start = {
// get initial touch coords
x: touches.pageX,
y: touches.pageY,
// store time to determine touch duration
time: +new Date
};
// used for testing first move event
isScrolling = undefined;
// reset delta and end measurements
delta = {};
// attach touchmove and touchend listeners
element.addEventListener('touchmove', this, false);
element.addEventListener('touchend', this, false);
},
move: function(event) {
// ensure swiping with one touch and not pinching
if ( event.touches.length > 1 || event.scale && event.scale !== 1) return
if (options.disableScroll) event.preventDefault();
var touches = event.touches[0];
// measure change in x and y
delta = {
x: touches.pageX - start.x,
y: touches.pageY - start.y
}
if (delta.x <= 0) {
var rateDelta = start.x - delta.x;
var rate = rateDelta / start.x - 1;
rate = rate >= 1 ? 1: rate;
}
else {
var rateDelta = width - delta.x;
var rate = rateDelta / width;
rate = rate < 0 ? 0: rate;
}
// determine if scrolling test has run - one time test
if ( typeof isScrolling == 'undefined') {
isScrolling = !!( isScrolling || Math.abs(delta.x) < Math.abs(delta.y) );
}
// if user is not trying to scroll vertically
if (!isScrolling) {
// prevent native scrolling
event.preventDefault();
// stop slideshow
stop();
// increase resistance if first or last slide
if (options.continuous) { // we don't add resistance at the end
translate(circle(index-1), delta.x + slidePos[circle(index-1)], rate, 0);
translate(index, delta.x + slidePos[index], rate, 0);
translate(circle(index+1), delta.x + slidePos[circle(index+1)], rate, 0);
} else {
delta.x =
delta.x /
( (!index && delta.x > 0 // if first slide and sliding left
|| index == slides.length - 1 // or if last slide and sliding right
&& delta.x < 0 // and if sliding at all
) ?
( Math.abs(delta.x) / width + 1 ) // determine resistance level
: 1 ); // no resistance if false
// translate 1:1
translate(index-1, delta.x + slidePos[index-1], rate, 0);
translate(index, delta.x + slidePos[index], rate, 0);
translate(index+1, delta.x + slidePos[index+1], rate, 0);
}
}
},
end: function(event) {
// measure duration
var duration = +new Date - start.time;
// determine if slide attempt triggers next/prev slide
var isValidSlide =
Number(duration) < 250 // if slide duration is less than 250ms
&& Math.abs(delta.x) > 20 // and if slide amt is greater than 20px
// || Math.abs(delta.x) > width / 2; // or if slide amt is greater than half the width
|| Math.abs(delta.x) > width / 5; // or if slide amt is greater than 20% the width
// determine if slide attempt is past start and end
var isPastBounds =
!index && delta.x > 0 // if first slide and slide amt is greater than 0
|| index == slides.length - 1 && delta.x < 0; // or if last slide and slide amt is less than 0
if (options.continuous) isPastBounds = false;
// determine direction of swipe (true:right, false:left)
var direction = delta.x < 0;
// if not scrolling vertically
if (!isScrolling) {
if (isValidSlide && !isPastBounds) {
if (direction) {
if (options.continuous) { // we need to get the next in this direction in place
move(circle(index-1), -width, 0);
move(circle(index+2), width, 0);
} else {
move(index-1, -width, 0);
}
move(index, slidePos[index]-width, speed);
move(circle(index+1), slidePos[circle(index+1)]-width, speed);
index = circle(index+1);
} else {
if (options.continuous) { // we need to get the next in this direction in place
move(circle(index+1), width, 0);
move(circle(index-2), -width, 0);
} else {
move(index+1, width, 0);
}
move(index, slidePos[index]+width, speed);
move(circle(index-1), slidePos[circle(index-1)]+width, speed);
index = circle(index-1);
}
options.callback && options.callback(index, slides[index], direction);
} else {
if (options.continuous) {
move(circle(index-1), -width, speed);
move(index, 0, speed);
move(circle(index+1), width, speed);
} else {
move(index-1, -width, speed);
move(index, 0, speed);
move(index+1, width, speed);
}
}
}
// kill touchmove and touchend event listeners until touchstart called again
element.removeEventListener('touchmove', events, false)
element.removeEventListener('touchend', events, false)
},
transitionEnd: function(event) {
if (parseInt(event.target.getAttribute('data-index'), 10) == index) {
if (delay) begin();
options.transitionEnd && options.transitionEnd.call(event, index, slides[index]);
}
}
}
// trigger setup
setup();
// start auto slideshow if applicable
if (delay) begin();
// add event listeners
if (browser.addEventListener) {
// set touchstart event on element
if (browser.touch) element.addEventListener('touchstart', events, false);
if (browser.transitions) {
element.addEventListener('webkitTransitionEnd', events, false);
element.addEventListener('msTransitionEnd', events, false);
element.addEventListener('oTransitionEnd', events, false);
element.addEventListener('otransitionend', events, false);
element.addEventListener('transitionend', events, false);
}
// set resize event on window
window.addEventListener('resize', events, false);
} else {
window.onresize = function () { setup() }; // to play nice with old IE
}
// expose the Swipe API
return {
setup: function() {
setup();
},
slide: function(to, speed) {
// cancel slideshow
stop();
slide(to, speed);
},
prev: function() {
// cancel slideshow
stop();
prev();
},
next: function() {
// cancel slideshow
stop();
next();
},
stop: function() {
// cancel slideshow
stop();
},
getPos: function() {
// return current index position
return index;
},
getNumSlides: function() {
// return total number of slides
return length;
},
kill: function() {
// cancel slideshow
stop();
// reset element
element.style.width = '';
element.style.left = '';
// reset slides
var pos = slides.length;
while(pos--) {
var slide = slides[pos];
slide.style.width = '';
slide.style.left = '';
if (browser.transitions) translate(pos, 0, 0);
}
// removed event listeners
if (browser.addEventListener) {
// remove current event listeners
element.removeEventListener('touchstart', events, false);
element.removeEventListener('webkitTransitionEnd', events, false);
element.removeEventListener('msTransitionEnd', events, false);
element.removeEventListener('oTransitionEnd', events, false);
element.removeEventListener('otransitionend', events, false);
element.removeEventListener('transitionend', events, false);
window.removeEventListener('resize', events, false);
}
else {
window.onresize = null;
}
}
}
}
if ( window.jQuery || window.Zepto ) {
(function($) {
$.fn.Swipe = function(params) {
return this.each(function() {
$(this).data('Swipe', new Swipe($(this)[0], params));
});
}
})( window.jQuery || window.Zepto )
}
// グローバル変数
var WIN = window;
var DOC = document;
(function () {
/*
* 初期設定
*/
var conf = {
};
/*
* run
*/
WIN.onload = function () {
// set item width
setSwipeSize();
// load swipe
loadSwipeMain();
};
/*
* set item width
*/
function setSwipeSize() {
var winWidth = WIN.innerWidth;
var winHeight = WIN.innerHeight;
// var bannerHeight = 60;
var bannerHeight = 0;
var footerHeight = 0;
// var footerHeight = 75;
var ulHeight = winHeight - bannerHeight - footerHeight;
$('#js-slideArea, #js-slideAreaUl').css({
'height': + ulHeight + 'px'
});
$('.slideArea__item').css({
'width': winWidth + 'px',
'height': ulHeight + 'px'
});
$('.slideButton__btn').css({
'height': winHeight + 'px'
});
}
/*
* load swipe
*/
function loadSwipeMain(idx) {
if (typeof(swipeMain) !== 'undefined') {
swipeMain.kill();
}
var param = {
startSlide: (idx)? idx: 0,
speed: 150,
continuous: true,
disableScroll: false,
stopPropagation: false,
// callback
callback: function(index, elem, direction) {
// diredtion 設定
$('#js-slideArea').attr('data-direcrtion', direction);
},
// transitionEnd
transitionEnd: function(index, elem) {
}
};
WIN.swipeMain = new Swipe(DOC.getElementById('js-slideArea'), param);
// ナビ button event
$('#js-prevArea').off('touchstart click').on('touchstart click', function (e) {
e.preventDefault();
e.stopPropagation();
swipeMain.prev();
});
$('#js-nextArea').off('touchstart click').on('touchstart click', function (e) {
e.preventDefault();
e.stopPropagation();
swipeMain.next();
});
}
})();
<div id="js-slideArea" class="slideArea">
<ul id="js-slideAreaUl" class="slideAreaUl clearfix">
<li class="slideArea__item"><img src="http://test0001.s-ej.com/66/s01.png"></li>
<li class="slideArea__item"><img src="http://test0001.s-ej.com/66/s02.png"></li>
<li class="slideArea__item"><img src="http://test0001.s-ej.com/66/s03.png"></li>
<li class="slideArea__item"><img src="http://test0001.s-ej.com/66/s04.png"></li>
<li class="slideArea__item"><img src="http://test0001.s-ej.com/66/s05.png"></li>
<li class="slideArea__item"><img src="http://test0001.s-ej.com/66/o0757113612568458467.jpg"></li>
<li class="slideArea__item"><img src="http://test0001.s-ej.com/66/o0800080012600799995.png"></li>
<li class="slideArea__item"><img src="http://test0001.s-ej.com/66/o0757113612552102964.jpg"></li>
</ul>
</div>
<ul id="js-slideButton" class="slideButton">
<li id="js-prevArea" class="slideButton__btn prevArea"><span></span></li>
<li id="js-nextArea" class="slideButton__btn nextArea"><span></span></li>
</ul>
html {
margin: 0;
padding: 0;
height: 100%;
}
body {
margin: 0;
padding: 0;
height: 100%;
background: #222;
font-family: "ヒラギノ角ゴ Pro W3","Hiragino Kaku Gothic Pro","メイリオ",Meiryo,Osaka,"ＭＳ Ｐゴシック","MS PGothic",sans-serif;
font-size: 14px;
color: #fff;
}
.banner {
margin: 0;
padding: 0;
height: 60px;
text-align: center;
}
.banner img {
width: 320px;
height: 50px;
}
.slideArea {
position: relative;
visibility: hidden;
overflow: hidden;
margin: 0;
padding: 0;
height: 0;
}
.slideAreaUl {
margin: 0;
padding: 0;
height: 0;
overflow: hidden;
position: relative;
}
.slideArea__item {
position: relative;
float: left;
width: 100%;
height: 100%;
text-align: center;
vertical-align: middle;
list-style-type: none;
-ms-touch-action : none ; /* for *IE10 */
touch-action : none ;
}
.slideArea__item img {
position: absolute;
display: block;
margin: auto;
top: 0;
right: 0;
bottom: 0;
left: 0;
max-width: 100%;
max-height: 100%;
}
.slideButton {
position: absolute;
margin: 0;
padding: 0;
width: 100%;
top: 0;
}
.slideButton__btn {
position: absolute;
width: 50px;
list-style-type: none;
background-position: center 49%;
/* background-position: center 54%;*/
background-repeat: no-repeat;
background-size: 25px 40px;
opacity: .4;
z-index: 200;
/* animation */
-webkit-transition-property: opacity;
-webkit-transition-duration: .3s;
-webkit-transition-timing-function: ease-in-out;
-webkit-transition-delay: 0;
}
.slideButton__btn--solid {
opacity: .7;
}
.prevArea {
left: 0;
background-image: url(http://test0001.s-ej.com/66/icon_arrPrev.png);
}
.nextArea {
right: 0;
background-image: url(http://test0001.s-ej.com/66/icon_arrNext.png);
}
.footer {
position: fixed;
left: 0;
bottom: 0;
z-index: 50;
width: 100%;
height: 75px;
background-color: rgba(60, 60, 60, .6);
border-top: 1px solid #000;
opacity: 1;
/* animation */
-webkit-transition-property: opacity;
-webkit-transition-duration: .3s;
-webkit-transition-timing-function: ease-in-out;
-webkit-transition-delay: 0;
}
.footer--clear {
opacity: 0;
}
.footerLinkBlog {
display: block;
margin: 0;
padding: 10px 10px;
min-height: 55px;
}
.footerLinkBlog,
.footerLinkBlog:link,
.footerLinkBlog:visited {
color: #fff;
text-decoration: none;
}
.footerTitle {
margin: 8px 0 12px;
padding: 0;
font-size: 18px;
font-weight: bold;
line-height: 1;
text-overflow: ellipsis;
}
.footerDate {
margin: 0;
padding: 0;
font-size: 12px;
line-height: 1;
text-overflow: ellipsis;
}
/*
* display
*/
.none {
display: none;
}
/*
* clearfix
*/
.clearfix:before,
.clearfix:after {
content: "";
display: table;
}
.clearfix:after {
clear: both;
}
.clearfix {
*zoom: 1;
}